v0.9.0

Features:

• standalone build that doesn’t require Bootstrap
• new popover class tour-{tourName}-{stepId} to make single popover styling easier
• refined z-index of tour elements
• marked getState, setState and removeState as private
• match paths with RegEx
• allow chaining for public methods
• add steps inside tour options

Bug fixes:

• step with backdrop and invalid selector should not attempt to create an overlay element
• showStep should check if tour ended before it tries to display the step